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Rev | Author | Line No. | Line |
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4158 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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4541 | hidnplayr | 3 | ;; Copyright (C) KolibriOS team 2004-2014. All rights reserved. ;; |
4158 | hidnplayr | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;; HTTP library for KolibriOS ;; |
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7 | ;; ;; |
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8 | ;; Written by hidnplayr@kolibrios.org ;; |
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4233 | hidnplayr | 9 | ;; Proxy code written by CleverMouse ;; |
4158 | hidnplayr | 10 | ;; ;; |
11 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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12 | ;; Version 2, June 1991 ;; |
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13 | ;; ;; |
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14 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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15 | |||
16 | ; references: |
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17 | ; "HTTP made really easy", http://www.jmarshall.com/easy/http/ |
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18 | ; "Hypertext Transfer Protocol -- HTTP/1.1", http://tools.ietf.org/html/rfc2616 |
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19 | |||
20 | |||
21 | URLMAXLEN = 65535 |
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4541 | hidnplayr | 22 | BUFFERSIZE = 8192 |
4690 | hidnplayr | 23 | TIMEOUT = 500 ; in 1/100 s |
4158 | hidnplayr | 24 | |
25 | __DEBUG__ = 1 |
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26 | __DEBUG_LEVEL__ = 1 |
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27 | |||
28 | |||
29 | format MS COFF |
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30 | |||
31 | public @EXPORT as 'EXPORTS' |
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32 | |||
33 | include '../../../struct.inc' |
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34 | include '../../../proc32.inc' |
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35 | include '../../../macros.inc' |
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36 | purge section,mov,add,sub |
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37 | include '../../../debug-fdo.inc' |
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38 | |||
39 | include '../../../network.inc' |
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40 | include 'http.inc' |
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41 | |||
42 | virtual at 0 |
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43 | http_msg http_msg |
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44 | end virtual |
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45 | |||
46 | macro copy_till_zero { |
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4241 | hidnplayr | 47 | local .copyloop, .copydone |
48 | .copyloop: |
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4158 | hidnplayr | 49 | lodsb |
50 | test al, al |
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4241 | hidnplayr | 51 | jz .copydone |
4158 | hidnplayr | 52 | stosb |
4241 | hidnplayr | 53 | jmp .copyloop |
54 | .copydone: |
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4158 | hidnplayr | 55 | } |
56 | |||
4167 | hidnplayr | 57 | macro HTTP_init_buffer buffer, socketnum { |
58 | |||
59 | mov eax, buffer |
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60 | push socketnum |
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61 | popd [eax + http_msg.socket] |
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4541 | hidnplayr | 62 | lea esi, [eax + http_msg.http_header] |
4205 | hidnplayr | 63 | mov [eax + http_msg.flags], FLAG_CONNECTED |
4167 | hidnplayr | 64 | mov [eax + http_msg.write_ptr], esi |
4541 | hidnplayr | 65 | mov [eax + http_msg.buffer_length], BUFFERSIZE - http_msg.http_header |
4167 | hidnplayr | 66 | mov [eax + http_msg.chunk_ptr], 0 |
67 | |||
68 | mov [eax + http_msg.status], 0 |
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69 | mov [eax + http_msg.header_length], 0 |
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4541 | hidnplayr | 70 | mov [eax + http_msg.content_ptr], 0 |
4167 | hidnplayr | 71 | mov [eax + http_msg.content_length], 0 |
4168 | hidnplayr | 72 | mov [eax + http_msg.content_received], 0 |
4206 | hidnplayr | 73 | |
74 | push eax ebp |
||
75 | mov ebp, eax |
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4690 | hidnplayr | 76 | mcall 26, 9 |
4206 | hidnplayr | 77 | mov [ebp + http_msg.timestamp], eax |
78 | pop ebp eax |
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4167 | hidnplayr | 79 | } |
80 | |||
4158 | hidnplayr | 81 | section '.flat' code readable align 16 |
82 | |||
83 | ;;===========================================================================;; |
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84 | lib_init: ;//////////////////////////////////////////////////////////////////;; |
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85 | ;;---------------------------------------------------------------------------;; |
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86 | ;? Library entry point (called after library load) ;; |
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87 | ;;---------------------------------------------------------------------------;; |
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88 | ;> eax = pointer to memory allocation routine ;; |
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89 | ;> ebx = pointer to memory freeing routine ;; |
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90 | ;> ecx = pointer to memory reallocation routine ;; |
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91 | ;> edx = pointer to library loading routine ;; |
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92 | ;;---------------------------------------------------------------------------;; |
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4209 | hidnplayr | 93 | ;< eax = 1 (fail) / 0 (ok) ;; |
4158 | hidnplayr | 94 | ;;===========================================================================;; |
95 | mov [mem.alloc], eax |
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96 | mov [mem.free], ebx |
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97 | mov [mem.realloc], ecx |
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98 | mov [dll.load], edx |
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99 | |||
100 | invoke dll.load, @IMPORT |
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4209 | hidnplayr | 101 | test eax, eax |
102 | jnz .error |
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4158 | hidnplayr | 103 | |
104 | ; load proxy settings |
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4216 | hidnplayr | 105 | pusha |
4158 | hidnplayr | 106 | invoke ini.get_str, inifile, sec_proxy, key_proxy, proxyAddr, 256, proxyAddr |
107 | invoke ini.get_int, inifile, sec_proxy, key_proxyport, 80 |
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108 | mov [proxyPort], eax |
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109 | invoke ini.get_str, inifile, sec_proxy, key_user, proxyUser, 256, proxyUser |
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110 | invoke ini.get_str, inifile, sec_proxy, key_password, proxyPassword, 256, proxyPassword |
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4216 | hidnplayr | 111 | popa |
4158 | hidnplayr | 112 | |
4212 | hidnplayr | 113 | DEBUGF 1, "HTTP library: init OK\n" |
4158 | hidnplayr | 114 | xor eax, eax |
115 | ret |
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116 | |||
4209 | hidnplayr | 117 | .error: |
4212 | hidnplayr | 118 | DEBUGF 1, "ERROR loading libraries\n" |
4158 | hidnplayr | 119 | xor eax, eax |
4209 | hidnplayr | 120 | inc eax |
4158 | hidnplayr | 121 | ret |
122 | |||
123 | |||
124 | |||
125 | |||
126 | ;;================================================================================================;; |
||
4221 | hidnplayr | 127 | proc HTTP_get URL, add_header ;///////////////////////////////////////////////////////////////////;; |
4158 | hidnplayr | 128 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 129 | ;? Initiates a HTTP connection, using 'GET' method. ;; |
4158 | hidnplayr | 130 | ;;------------------------------------------------------------------------------------------------;; |
4221 | hidnplayr | 131 | ;> URL = pointer to ASCIIZ URL ;; |
132 | ;> add_header = pointer to additional header parameters (ASCIIZ), or null for none. ;; |
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4158 | hidnplayr | 133 | ;;------------------------------------------------------------------------------------------------;; |
134 | ;< eax = 0 (error) / buffer ptr ;; |
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135 | ;;================================================================================================;; |
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136 | locals |
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137 | hostname dd ? |
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138 | pageaddr dd ? |
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139 | sockaddr dd ? |
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140 | socketnum dd ? |
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141 | buffer dd ? |
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4167 | hidnplayr | 142 | port dd ? |
4158 | hidnplayr | 143 | endl |
144 | |||
4216 | hidnplayr | 145 | pusha |
146 | |||
4158 | hidnplayr | 147 | ; split the URL into hostname and pageaddr |
148 | stdcall parse_url, [URL] |
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149 | test eax, eax |
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150 | jz .error |
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151 | mov [hostname], eax |
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152 | mov [pageaddr], ebx |
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4221 | hidnplayr | 153 | mov [port], ecx |
4158 | hidnplayr | 154 | |
4167 | hidnplayr | 155 | ; Connect to the other side. |
156 | stdcall open_connection, [hostname], [port] |
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4158 | hidnplayr | 157 | test eax, eax |
4167 | hidnplayr | 158 | jz .error |
159 | mov [socketnum], eax |
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4158 | hidnplayr | 160 | |
4167 | hidnplayr | 161 | ; Create the HTTP request. |
162 | invoke mem.alloc, BUFFERSIZE |
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4158 | hidnplayr | 163 | test eax, eax |
164 | jz .error |
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4167 | hidnplayr | 165 | mov [buffer], eax |
166 | mov edi, eax |
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4541 | hidnplayr | 167 | DEBUGF 1, "Buffer allocated: 0x%x\n", eax |
4158 | hidnplayr | 168 | |
4167 | hidnplayr | 169 | mov esi, str_get |
170 | copy_till_zero |
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4158 | hidnplayr | 171 | |
4233 | hidnplayr | 172 | ; If we are using a proxy, send complete URL, otherwise send only page address. |
173 | cmp [proxyAddr], 0 |
||
174 | je .no_proxy |
||
175 | mov esi, str_http ; prepend 'http://' |
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176 | copy_till_zero |
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177 | mov esi, [hostname] |
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178 | copy_till_zero |
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179 | .no_proxy: |
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4167 | hidnplayr | 180 | mov esi, [pageaddr] |
181 | copy_till_zero |
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4158 | hidnplayr | 182 | |
4167 | hidnplayr | 183 | mov esi, str_http11 |
184 | mov ecx, str_http11.length |
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185 | rep movsb |
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186 | |||
187 | mov esi, [hostname] |
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188 | copy_till_zero |
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189 | |||
4241 | hidnplayr | 190 | cmp byte[proxyUser], 0 |
191 | je @f |
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192 | call append_proxy_auth_header |
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193 | @@: |
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194 | |||
195 | mov ax, 0x0a0d |
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196 | stosw |
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197 | |||
4221 | hidnplayr | 198 | mov esi, [add_header] |
199 | test esi, esi |
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200 | jz @f |
||
201 | copy_till_zero |
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202 | @@: |
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203 | |||
4167 | hidnplayr | 204 | mov esi, str_close |
205 | mov ecx, str_close.length |
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206 | rep movsb |
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207 | |||
208 | mov byte[edi], 0 |
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209 | DEBUGF 1, "Request:\n%s", [buffer] |
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210 | |||
4222 | hidnplayr | 211 | ; Free unused memory |
212 | push edi |
||
213 | invoke mem.free, [pageaddr] |
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214 | invoke mem.free, [hostname] |
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215 | pop esi |
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216 | |||
4167 | hidnplayr | 217 | ; Send the request |
218 | sub esi, [buffer] ; length |
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219 | xor edi, edi ; flags |
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220 | mcall send, [socketnum], [buffer] |
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4158 | hidnplayr | 221 | test eax, eax |
222 | jz .error |
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4167 | hidnplayr | 223 | DEBUGF 1, "Request has been sent to server.\n" |
4158 | hidnplayr | 224 | |
4167 | hidnplayr | 225 | HTTP_init_buffer [buffer], [socketnum] |
226 | |||
4216 | hidnplayr | 227 | popa |
228 | mov eax, [buffer] ; return buffer ptr |
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229 | ret |
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4167 | hidnplayr | 230 | |
231 | .error: |
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232 | DEBUGF 1, "Error!\n" |
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4216 | hidnplayr | 233 | popa |
4167 | hidnplayr | 234 | xor eax, eax ; return 0 = error |
235 | ret |
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236 | |||
237 | endp |
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238 | |||
239 | |||
240 | |||
241 | ;;================================================================================================;; |
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4221 | hidnplayr | 242 | proc HTTP_head URL, add_header ;//////////////////////////////////////////////////////////////////;; |
4167 | hidnplayr | 243 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 244 | ;? Initiates a HTTP connection, using 'HEAD' method. ;; |
4541 | hidnplayr | 245 | ;? This will only return HTTP header and status, no content ;; |
4167 | hidnplayr | 246 | ;;------------------------------------------------------------------------------------------------;; |
4221 | hidnplayr | 247 | ;> URL = pointer to ASCIIZ URL ;; |
248 | ;> add_header = pointer to additional header parameters (ASCIIZ), or null for none. ;; |
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4167 | hidnplayr | 249 | ;;------------------------------------------------------------------------------------------------;; |
250 | ;< eax = 0 (error) / buffer ptr ;; |
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251 | ;;================================================================================================;; |
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252 | locals |
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253 | hostname dd ? |
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254 | pageaddr dd ? |
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255 | sockaddr dd ? |
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256 | socketnum dd ? |
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257 | buffer dd ? |
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258 | port dd ? |
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259 | endl |
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260 | |||
4216 | hidnplayr | 261 | pusha |
4167 | hidnplayr | 262 | ; split the URL into hostname and pageaddr |
263 | stdcall parse_url, [URL] |
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4158 | hidnplayr | 264 | test eax, eax |
4167 | hidnplayr | 265 | jz .error |
266 | mov [hostname], eax |
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267 | mov [pageaddr], ebx |
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4221 | hidnplayr | 268 | mov [port], ecx |
4158 | hidnplayr | 269 | |
4167 | hidnplayr | 270 | ; Connect to the other side. |
271 | stdcall open_connection, [hostname], [port] |
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272 | test eax, eax |
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273 | jz .error |
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274 | mov [socketnum], eax |
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275 | |||
4158 | hidnplayr | 276 | ; Create the HTTP request. |
277 | invoke mem.alloc, BUFFERSIZE |
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278 | test eax, eax |
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279 | jz .error |
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280 | mov [buffer], eax |
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4167 | hidnplayr | 281 | mov edi, eax |
4158 | hidnplayr | 282 | DEBUGF 1, "Buffer has been allocated.\n" |
283 | |||
4167 | hidnplayr | 284 | mov esi, str_head |
4158 | hidnplayr | 285 | copy_till_zero |
286 | |||
4233 | hidnplayr | 287 | ; If we are using a proxy, send complete URL, otherwise send only page address. |
288 | cmp [proxyAddr], 0 |
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289 | je .no_proxy |
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290 | mov esi, str_http ; prepend 'http://' |
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291 | copy_till_zero |
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292 | mov esi, [hostname] |
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293 | copy_till_zero |
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294 | .no_proxy: |
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4167 | hidnplayr | 295 | mov esi, [pageaddr] |
296 | copy_till_zero |
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297 | |||
4158 | hidnplayr | 298 | mov esi, str_http11 |
299 | mov ecx, str_http11.length |
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300 | rep movsb |
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301 | |||
302 | mov esi, [hostname] |
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303 | copy_till_zero |
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304 | |||
4241 | hidnplayr | 305 | cmp byte[proxyUser], 0 |
306 | je @f |
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307 | call append_proxy_auth_header |
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308 | @@: |
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309 | |||
310 | mov ax, 0x0a0d |
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311 | stosw |
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312 | |||
4221 | hidnplayr | 313 | mov esi, [add_header] |
314 | test esi, esi |
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315 | jz @f |
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316 | copy_till_zero |
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317 | @@: |
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318 | |||
4158 | hidnplayr | 319 | mov esi, str_close |
320 | mov ecx, str_close.length |
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321 | rep movsb |
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322 | |||
323 | mov byte[edi], 0 |
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324 | DEBUGF 1, "Request:\n%s", [buffer] |
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325 | |||
4222 | hidnplayr | 326 | |
327 | ; Free unused memory |
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328 | push edi |
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329 | invoke mem.free, [pageaddr] |
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330 | invoke mem.free, [hostname] |
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331 | pop esi |
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332 | |||
4167 | hidnplayr | 333 | ; Send the request |
4158 | hidnplayr | 334 | sub esi, [buffer] ; length |
335 | xor edi, edi ; flags |
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336 | mcall send, [socketnum], [buffer] |
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337 | test eax, eax |
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338 | jz .error |
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339 | DEBUGF 1, "Request has been sent to server.\n" |
||
340 | |||
4167 | hidnplayr | 341 | HTTP_init_buffer [buffer], [socketnum] |
4158 | hidnplayr | 342 | |
4216 | hidnplayr | 343 | popa |
344 | mov eax, [buffer] |
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4167 | hidnplayr | 345 | ret ; return buffer ptr |
4158 | hidnplayr | 346 | |
4167 | hidnplayr | 347 | .error: |
348 | DEBUGF 1, "Error!\n" |
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4216 | hidnplayr | 349 | popa |
4167 | hidnplayr | 350 | xor eax, eax ; return 0 = error |
351 | ret |
||
352 | |||
353 | endp |
||
354 | |||
355 | |||
356 | ;;================================================================================================;; |
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4221 | hidnplayr | 357 | proc HTTP_post URL, add_header, content_type, content_length ;////////////////////////////////////;; |
4167 | hidnplayr | 358 | ;;------------------------------------------------------------------------------------------------;; |
4541 | hidnplayr | 359 | ;? Initiates a HTTP connection, using 'POST' method. ;; |
360 | ;? This method is used to send data to the HTTP server ;; |
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4167 | hidnplayr | 361 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 362 | ;> URL = pointer to ASCIIZ URL ;; |
4221 | hidnplayr | 363 | ;> add_header = pointer to additional header parameters (ASCIIZ), or null for none. ;; |
4202 | hidnplayr | 364 | ;> content_type = pointer to ASCIIZ string containing content type ;; |
365 | ;> content_length = length of content (in bytes) ;; |
||
4167 | hidnplayr | 366 | ;;------------------------------------------------------------------------------------------------;; |
367 | ;< eax = 0 (error) / buffer ptr ;; |
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368 | ;;================================================================================================;; |
||
369 | locals |
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370 | hostname dd ? |
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371 | pageaddr dd ? |
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372 | sockaddr dd ? |
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373 | socketnum dd ? |
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374 | buffer dd ? |
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375 | port dd ? |
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376 | endl |
||
377 | |||
4216 | hidnplayr | 378 | pusha |
4167 | hidnplayr | 379 | ; split the URL into hostname and pageaddr |
380 | stdcall parse_url, [URL] |
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381 | test eax, eax |
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382 | jz .error |
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383 | mov [hostname], eax |
||
384 | mov [pageaddr], ebx |
||
4221 | hidnplayr | 385 | mov [port], ecx |
4167 | hidnplayr | 386 | |
387 | ; Connect to the other side. |
||
388 | stdcall open_connection, [hostname], [port] |
||
389 | test eax, eax |
||
390 | jz .error |
||
391 | mov [socketnum], eax |
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392 | |||
393 | ; Create the HTTP request. |
||
394 | invoke mem.alloc, BUFFERSIZE |
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395 | test eax, eax |
||
396 | jz .error |
||
397 | mov [buffer], eax |
||
398 | mov edi, eax |
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399 | DEBUGF 1, "Buffer has been allocated.\n" |
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400 | |||
401 | mov esi, str_post |
||
402 | copy_till_zero |
||
403 | |||
4233 | hidnplayr | 404 | ; If we are using a proxy, send complete URL, otherwise send only page address. |
405 | cmp [proxyAddr], 0 |
||
406 | je .no_proxy |
||
407 | mov esi, str_http ; prepend 'http://' |
||
408 | copy_till_zero |
||
409 | mov esi, [hostname] |
||
410 | copy_till_zero |
||
411 | .no_proxy: |
||
4167 | hidnplayr | 412 | mov esi, [pageaddr] |
413 | copy_till_zero |
||
414 | |||
415 | mov esi, str_http11 |
||
416 | mov ecx, str_http11.length |
||
417 | rep movsb |
||
418 | |||
419 | mov esi, [hostname] |
||
420 | copy_till_zero |
||
421 | |||
422 | mov esi, str_post_cl |
||
423 | mov ecx, str_post_cl.length |
||
424 | rep movsb |
||
425 | |||
426 | mov eax, [content_length] |
||
4233 | hidnplayr | 427 | call eax_ascii_dec |
4167 | hidnplayr | 428 | |
429 | mov esi, str_post_ct |
||
430 | mov ecx, str_post_ct.length |
||
431 | rep movsb |
||
432 | |||
433 | mov esi, [content_type] |
||
4221 | hidnplayr | 434 | copy_till_zero |
4167 | hidnplayr | 435 | |
4241 | hidnplayr | 436 | cmp byte[proxyUser], 0 |
437 | je @f |
||
438 | call append_proxy_auth_header |
||
439 | @@: |
||
440 | |||
441 | mov ax, 0x0a0d |
||
442 | stosw |
||
443 | |||
4221 | hidnplayr | 444 | mov esi, [add_header] |
445 | test esi, esi |
||
446 | jz @f |
||
447 | copy_till_zero |
||
448 | @@: |
||
449 | |||
4167 | hidnplayr | 450 | mov esi, str_close |
451 | mov ecx, str_close.length |
||
452 | rep movsb |
||
453 | |||
454 | mov byte[edi], 0 |
||
455 | DEBUGF 1, "Request:\n%s", [buffer] |
||
456 | |||
4222 | hidnplayr | 457 | ; Free unused memory |
458 | push edi |
||
459 | invoke mem.free, [pageaddr] |
||
460 | invoke mem.free, [hostname] |
||
461 | pop esi |
||
462 | |||
4167 | hidnplayr | 463 | ; Send the request |
464 | sub esi, [buffer] ; length |
||
465 | xor edi, edi ; flags |
||
466 | mcall send, [socketnum], [buffer] |
||
467 | test eax, eax |
||
468 | jz .error |
||
469 | DEBUGF 1, "Request has been sent to server.\n" |
||
470 | |||
471 | HTTP_init_buffer [buffer], [socketnum] |
||
4206 | hidnplayr | 472 | |
4216 | hidnplayr | 473 | popa |
474 | mov eax, [buffer] |
||
4158 | hidnplayr | 475 | ret ; return buffer ptr |
476 | |||
477 | .error: |
||
478 | DEBUGF 1, "Error!\n" |
||
4216 | hidnplayr | 479 | popa |
4158 | hidnplayr | 480 | xor eax, eax ; return 0 = error |
481 | ret |
||
482 | |||
483 | endp |
||
484 | |||
485 | |||
486 | |||
487 | ;;================================================================================================;; |
||
488 | proc HTTP_process identifier ;////////////////////////////////////////////////////////////////////;; |
||
489 | ;;------------------------------------------------------------------------------------------------;; |
||
4202 | hidnplayr | 490 | ;? Receive data from the server, parse headers and put data in receive buffer. ;; |
491 | ;? To complete a transfer, this procedure must be called over and over again untill it returns 0. ;; |
||
4158 | hidnplayr | 492 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 493 | ;> identifier = pointer to buffer containing http_msg struct. ;; |
4158 | hidnplayr | 494 | ;;------------------------------------------------------------------------------------------------;; |
495 | ;< eax = -1 (not finished) / 0 finished ;; |
||
496 | ;;================================================================================================;; |
||
4690 | hidnplayr | 497 | |
4158 | hidnplayr | 498 | pusha |
499 | mov ebp, [identifier] |
||
4162 | hidnplayr | 500 | |
4209 | hidnplayr | 501 | ; If the connection is closed, return immediately |
4205 | hidnplayr | 502 | test [ebp + http_msg.flags], FLAG_CONNECTED |
503 | jz .connection_closed |
||
504 | |||
4162 | hidnplayr | 505 | ; Receive some data |
4158 | hidnplayr | 506 | mcall recv, [ebp + http_msg.socket], [ebp + http_msg.write_ptr], \ |
507 | [ebp + http_msg.buffer_length], MSG_DONTWAIT |
||
508 | cmp eax, 0xffffffff |
||
509 | je .check_socket |
||
4220 | hidnplayr | 510 | |
511 | test eax, eax |
||
512 | jz .server_closed |
||
4158 | hidnplayr | 513 | DEBUGF 1, "Received %u bytes\n", eax |
514 | |||
4209 | hidnplayr | 515 | ; Update timestamp |
4206 | hidnplayr | 516 | push eax |
4690 | hidnplayr | 517 | mcall 26, 9 |
4206 | hidnplayr | 518 | mov [ebp + http_msg.timestamp], eax |
519 | pop eax |
||
520 | |||
4162 | hidnplayr | 521 | ; Update pointers |
4158 | hidnplayr | 522 | mov edi, [ebp + http_msg.write_ptr] |
523 | add [ebp + http_msg.write_ptr], eax |
||
524 | sub [ebp + http_msg.buffer_length], eax |
||
4162 | hidnplayr | 525 | |
526 | ; If data is chunked, combine chunks into contiguous data. |
||
527 | test [ebp + http_msg.flags], FLAG_CHUNKED |
||
528 | jnz .chunk_loop |
||
529 | |||
4212 | hidnplayr | 530 | ; Did we detect the (final) header yet? |
4158 | hidnplayr | 531 | test [ebp + http_msg.flags], FLAG_GOT_HEADER |
532 | jnz .header_parsed |
||
533 | |||
4690 | hidnplayr | 534 | ;-------------------------------------------------------------- |
535 | ; |
||
536 | ; Header parsing code begins here |
||
537 | ; |
||
538 | |||
4212 | hidnplayr | 539 | ; We havent found the (final) header yet, search for it.. |
540 | .scan_again: |
||
541 | ; eax = total number of bytes received so far |
||
542 | mov eax, [ebp + http_msg.write_ptr] |
||
4541 | hidnplayr | 543 | sub eax, http_msg.http_header |
4212 | hidnplayr | 544 | sub eax, ebp |
545 | sub eax, [ebp + http_msg.header_length] |
||
546 | ; edi is ptr to begin of header |
||
4541 | hidnplayr | 547 | lea edi, [ebp + http_msg.http_header] |
4212 | hidnplayr | 548 | add edi, [ebp + http_msg.header_length] |
549 | ; put it in esi for next proc too |
||
550 | mov esi, edi |
||
551 | sub eax, 3 |
||
4690 | hidnplayr | 552 | jle .need_more_data_for_header |
4212 | hidnplayr | 553 | .scan_loop: |
4158 | hidnplayr | 554 | ; scan for end of header (empty line) |
555 | cmp dword[edi], 0x0a0d0a0d ; end of header |
||
556 | je .end_of_header |
||
4212 | hidnplayr | 557 | cmp word[edi+2], 0x0a0a ; notice the use of offset + 2, to calculate header length correctly :) |
4158 | hidnplayr | 558 | je .end_of_header |
559 | inc edi |
||
560 | dec eax |
||
4212 | hidnplayr | 561 | jnz .scan_loop |
4690 | hidnplayr | 562 | jmp .need_more_data_for_header |
4158 | hidnplayr | 563 | |
564 | .end_of_header: |
||
4541 | hidnplayr | 565 | add edi, 4 - http_msg.http_header |
4158 | hidnplayr | 566 | sub edi, ebp |
4212 | hidnplayr | 567 | mov [ebp + http_msg.header_length], edi ; If this isnt the final header, we'll use this as an offset to find real header. |
4158 | hidnplayr | 568 | DEBUGF 1, "Header length: %u\n", edi |
569 | |||
4690 | hidnplayr | 570 | ; Ok, we have found the header |
4212 | hidnplayr | 571 | cmp dword[esi], 'HTTP' |
4690 | hidnplayr | 572 | jne .err_header |
4212 | hidnplayr | 573 | cmp dword[esi+4], '/1.0' |
4158 | hidnplayr | 574 | je .http_1.0 |
4212 | hidnplayr | 575 | cmp dword[esi+4], '/1.1' |
4690 | hidnplayr | 576 | jne .err_header |
4158 | hidnplayr | 577 | or [ebp + http_msg.flags], FLAG_HTTP11 |
578 | .http_1.0: |
||
4212 | hidnplayr | 579 | cmp byte[esi+8], ' ' |
4690 | hidnplayr | 580 | jne .err_header |
4158 | hidnplayr | 581 | |
4212 | hidnplayr | 582 | add esi, 9 |
4158 | hidnplayr | 583 | xor eax, eax |
584 | xor ebx, ebx |
||
585 | mov ecx, 3 |
||
586 | .statusloop: |
||
587 | lodsb |
||
588 | sub al, '0' |
||
4690 | hidnplayr | 589 | jb .err_header |
4158 | hidnplayr | 590 | cmp al, 9 |
4690 | hidnplayr | 591 | ja .err_header |
4158 | hidnplayr | 592 | lea ebx, [ebx + 4*ebx] |
593 | shl ebx, 1 |
||
594 | add ebx, eax |
||
595 | dec ecx |
||
596 | jnz .statusloop |
||
4212 | hidnplayr | 597 | |
4690 | hidnplayr | 598 | ; Ignore "100 - Continue" lines |
4212 | hidnplayr | 599 | cmp ebx, 100 |
600 | je .scan_again |
||
601 | |||
602 | DEBUGF 1, "Status: %u\n", ebx |
||
4158 | hidnplayr | 603 | mov [ebp + http_msg.status], ebx |
4212 | hidnplayr | 604 | or [ebp + http_msg.flags], FLAG_GOT_HEADER |
4158 | hidnplayr | 605 | |
606 | ; Now, convert all header names to lowercase. |
||
607 | ; This way, it will be much easier to find certain header fields, later on. |
||
4541 | hidnplayr | 608 | lea esi, [ebp + http_msg.http_header] |
4158 | hidnplayr | 609 | mov ecx, [ebp + http_msg.header_length] |
610 | .need_newline: |
||
611 | inc esi |
||
612 | dec ecx |
||
613 | jz .convert_done |
||
614 | cmp byte[esi], 10 |
||
615 | jne .need_newline |
||
4690 | hidnplayr | 616 | ; We have found a newline |
617 | ; A line beginning with space or tabs has no header fields. |
||
4158 | hidnplayr | 618 | inc esi |
619 | dec ecx |
||
620 | jz .convert_done |
||
621 | cmp byte[esi], ' ' |
||
622 | je .need_newline |
||
623 | cmp byte[esi], 9 ; horizontal tab |
||
624 | je .need_newline |
||
625 | jmp .convert_loop |
||
626 | .next_char: |
||
627 | inc esi |
||
628 | dec ecx |
||
629 | jz .convert_done |
||
630 | .convert_loop: |
||
631 | cmp byte[esi], ':' |
||
632 | je .need_newline |
||
633 | cmp byte[esi], 'A' |
||
634 | jb .next_char |
||
635 | cmp byte[esi], 'Z' |
||
636 | ja .next_char |
||
637 | or byte[esi], 0x20 ; convert to lowercase |
||
638 | jmp .next_char |
||
639 | .convert_done: |
||
640 | mov byte[esi-1], 0 |
||
4541 | hidnplayr | 641 | lea esi, [ebp + http_msg.http_header] |
4158 | hidnplayr | 642 | DEBUGF 1, "Header names converted to lowercase:\n%s\n", esi |
643 | |||
644 | ; Check for content-length header field. |
||
4222 | hidnplayr | 645 | stdcall HTTP_find_header_field, ebp, str_cl |
4158 | hidnplayr | 646 | test eax, eax |
647 | jz .no_content |
||
648 | or [ebp + http_msg.flags], FLAG_CONTENT_LENGTH |
||
649 | |||
650 | xor edx, edx |
||
651 | .cl_loop: |
||
652 | movzx ebx, byte[eax] |
||
653 | inc eax |
||
654 | cmp bl, 10 |
||
655 | je .cl_ok |
||
656 | cmp bl, 13 |
||
657 | je .cl_ok |
||
658 | cmp bl, ' ' |
||
659 | je .cl_ok |
||
660 | sub bl, '0' |
||
4690 | hidnplayr | 661 | jb .err_header |
4158 | hidnplayr | 662 | cmp bl, 9 |
4690 | hidnplayr | 663 | ja .err_header |
4158 | hidnplayr | 664 | lea edx, [edx + edx*4] ; edx = edx*10 |
665 | shl edx, 1 ; |
||
666 | add edx, ebx |
||
667 | jmp .cl_loop |
||
668 | |||
669 | .cl_ok: |
||
670 | mov [ebp + http_msg.content_length], edx |
||
671 | DEBUGF 1, "Content-length: %u\n", edx |
||
672 | |||
4541 | hidnplayr | 673 | test edx, edx |
674 | jz .got_all_data |
||
4158 | hidnplayr | 675 | |
4541 | hidnplayr | 676 | call alloc_contentbuff |
677 | test eax, eax |
||
4690 | hidnplayr | 678 | jz .err_no_ram |
4541 | hidnplayr | 679 | xor eax, eax |
680 | jmp .header_parsed |
||
4203 | hidnplayr | 681 | |
4158 | hidnplayr | 682 | .no_content: |
683 | DEBUGF 1, "Content-length not found.\n" |
||
684 | |||
685 | ; We didnt find 'content-length', maybe server is using chunked transfer encoding? |
||
686 | ; Try to find 'transfer-encoding' header. |
||
4222 | hidnplayr | 687 | stdcall HTTP_find_header_field, ebp, str_te |
4158 | hidnplayr | 688 | test eax, eax |
4541 | hidnplayr | 689 | jnz .ct_hdr_found |
4158 | hidnplayr | 690 | |
4541 | hidnplayr | 691 | .not_chunked: |
692 | mov edx, BUFFERSIZE |
||
693 | call alloc_contentbuff |
||
694 | test eax, eax |
||
4690 | hidnplayr | 695 | jz .err_no_ram |
4541 | hidnplayr | 696 | xor eax, eax |
697 | jmp .header_parsed |
||
698 | |||
699 | .ct_hdr_found: |
||
4158 | hidnplayr | 700 | mov ebx, dword[eax] |
4162 | hidnplayr | 701 | or ebx, 0x20202020 |
4158 | hidnplayr | 702 | cmp ebx, 'chun' |
4220 | hidnplayr | 703 | jne .not_chunked |
4158 | hidnplayr | 704 | mov ebx, dword[eax+4] |
4162 | hidnplayr | 705 | or ebx, 0x00202020 |
706 | and ebx, 0x00ffffff |
||
4158 | hidnplayr | 707 | cmp ebx, 'ked' |
4220 | hidnplayr | 708 | jne .not_chunked |
4158 | hidnplayr | 709 | |
710 | or [ebp + http_msg.flags], FLAG_CHUNKED |
||
711 | DEBUGF 1, "Transfer type is: chunked\n" |
||
712 | |||
4541 | hidnplayr | 713 | mov edx, BUFFERSIZE |
714 | call alloc_contentbuff |
||
715 | test eax, eax |
||
4690 | hidnplayr | 716 | jz .err_no_ram |
4541 | hidnplayr | 717 | |
4158 | hidnplayr | 718 | ; Set chunk pointer where first chunk should begin. |
4541 | hidnplayr | 719 | mov eax, [ebp + http_msg.content_ptr] |
4158 | hidnplayr | 720 | mov [ebp + http_msg.chunk_ptr], eax |
721 | |||
4690 | hidnplayr | 722 | ;-------------------------------------------------------------- |
723 | ; |
||
724 | ; Chunk parsing code begins here |
||
725 | ; |
||
726 | |||
4162 | hidnplayr | 727 | .chunk_loop: |
4158 | hidnplayr | 728 | mov ecx, [ebp + http_msg.write_ptr] |
729 | sub ecx, [ebp + http_msg.chunk_ptr] |
||
4690 | hidnplayr | 730 | jbe .need_more_data_chunked |
731 | |||
4202 | hidnplayr | 732 | ; Chunkline starts here, convert the ASCII hex number into ebx |
4158 | hidnplayr | 733 | mov esi, [ebp + http_msg.chunk_ptr] |
4690 | hidnplayr | 734 | DEBUGF 1, "Chunkline begins at 0x%x\n", esi |
735 | |||
4158 | hidnplayr | 736 | xor ebx, ebx |
4690 | hidnplayr | 737 | cmp byte[esi], 0x0d |
738 | jne .chunk_hex_loop |
||
739 | dec ecx |
||
740 | jz .need_more_data_chunked |
||
741 | inc esi |
||
742 | cmp byte[esi], 0x0a |
||
743 | jne .chunk_hex_loop |
||
744 | dec ecx |
||
745 | jz .need_more_data_chunked |
||
746 | inc esi |
||
747 | .chunk_hex_loop: |
||
4158 | hidnplayr | 748 | lodsb |
749 | sub al, '0' |
||
4690 | hidnplayr | 750 | jb .chunk_hex_end |
4158 | hidnplayr | 751 | cmp al, 9 |
752 | jbe .chunk_hex |
||
4162 | hidnplayr | 753 | sub al, 'A' - '0' - 10 |
4690 | hidnplayr | 754 | jb .chunk_hex_end |
4162 | hidnplayr | 755 | cmp al, 15 |
4158 | hidnplayr | 756 | jbe .chunk_hex |
757 | sub al, 'a' - 'A' |
||
4162 | hidnplayr | 758 | cmp al, 15 |
4690 | hidnplayr | 759 | ja .chunk_hex_end |
4158 | hidnplayr | 760 | .chunk_hex: |
761 | shl ebx, 4 |
||
762 | add bl, al |
||
4690 | hidnplayr | 763 | dec ecx |
764 | jnz .chunk_hex_loop |
||
765 | jmp .need_more_data_chunked |
||
766 | .chunk_hex_end: |
||
767 | ; Chunkline ends with a CR LF or simply LF |
||
4541 | hidnplayr | 768 | dec esi |
4202 | hidnplayr | 769 | .end_of_chunkline?: |
4541 | hidnplayr | 770 | lodsb |
4690 | hidnplayr | 771 | cmp al, 10 ; chunkline must always end with LF |
4158 | hidnplayr | 772 | je .end_of_chunkline |
4690 | hidnplayr | 773 | dec ecx |
774 | jnz .end_of_chunkline? |
||
775 | xor eax, eax |
||
776 | jmp .need_more_data_chunked ; chunkline is incomplete, request more data |
||
4158 | hidnplayr | 777 | .end_of_chunkline: |
4690 | hidnplayr | 778 | DEBUGF 1, "Chunk of 0x%x bytes\n", ebx |
4541 | hidnplayr | 779 | ; If chunk size is 0, all chunks have been received. |
780 | test ebx, ebx |
||
781 | jz .got_all_data_chunked |
||
4690 | hidnplayr | 782 | ; Calculate how many data bytes we have received already |
4541 | hidnplayr | 783 | mov ecx, [ebp + http_msg.write_ptr] |
4690 | hidnplayr | 784 | sub ecx, [ebp + http_msg.chunk_ptr] ; ecx is now number of received data bytes |
785 | ; Update content_received counter |
||
786 | add [ebp + http_msg.content_received], ecx |
||
787 | ; Calculate new write ptr |
||
788 | mov edx, esi |
||
789 | sub edx, [ebp + http_msg.chunk_ptr] ; edx is now length of chunkline |
||
790 | sub [ebp + http_msg.write_ptr], edx |
||
4162 | hidnplayr | 791 | ; Realloc buffer, make it 'chunksize' bigger. |
4690 | hidnplayr | 792 | lea edx, [ebx + BUFFERSIZE] |
793 | mov [ebp + http_msg.buffer_length], edx ; remaining space in new buffer |
||
794 | add edx, [ebp + http_msg.write_ptr] |
||
795 | sub edx, [ebp + http_msg.content_ptr] |
||
796 | DEBUGF 1, "Resizing buffer 0x%x, it will now be %u bytes\n", [ebp + http_msg.content_ptr], edx |
||
797 | invoke mem.realloc, [ebp + http_msg.content_ptr], edx |
||
4541 | hidnplayr | 798 | DEBUGF 1, "New buffer = 0x%x\n", eax |
4162 | hidnplayr | 799 | or eax, eax |
4690 | hidnplayr | 800 | jz .err_no_ram |
801 | call recalculate_pointers ; Because it's possible that buffer begins on another address now |
||
802 | add esi, eax ; recalculate esi too! |
||
803 | ; Remove chunk header (aka chunkline) from the buffer by shifting all received data after chunkt_ptr to the left |
||
4541 | hidnplayr | 804 | mov edi, [ebp + http_msg.chunk_ptr] |
4690 | hidnplayr | 805 | rep movsb |
806 | ; Update chunk ptr to point to next chunk |
||
4541 | hidnplayr | 807 | add [ebp + http_msg.chunk_ptr], ebx |
4690 | hidnplayr | 808 | ; Set number of received bytes to 0, we already updated content_received |
4541 | hidnplayr | 809 | xor eax, eax |
4162 | hidnplayr | 810 | jmp .chunk_loop |
4158 | hidnplayr | 811 | |
4690 | hidnplayr | 812 | ;-------------------------------------------------------------- |
813 | ; |
||
814 | ; end of proc code begins here |
||
815 | ; |
||
816 | |||
4162 | hidnplayr | 817 | .header_parsed: |
4690 | hidnplayr | 818 | ; Header was already parsed and connection isnt chunked. |
819 | ; Update content_received |
||
4168 | hidnplayr | 820 | add [ebp + http_msg.content_received], eax |
4690 | hidnplayr | 821 | ; If we received content-length parameter, check if we received all the data |
4220 | hidnplayr | 822 | test [ebp + http_msg.flags], FLAG_CONTENT_LENGTH |
4690 | hidnplayr | 823 | jz @f |
4217 | hidnplayr | 824 | mov eax, [ebp + http_msg.content_received] |
825 | cmp eax, [ebp + http_msg.content_length] |
||
4168 | hidnplayr | 826 | jae .got_all_data |
4690 | hidnplayr | 827 | @@: |
828 | cmp [ebp + http_msg.buffer_length], 0 |
||
829 | je .buffer_full |
||
830 | ; Need more data |
||
831 | popa |
||
832 | xor eax, eax |
||
833 | dec eax |
||
834 | ret |
||
4212 | hidnplayr | 835 | |
4690 | hidnplayr | 836 | .buffer_full: |
837 | ; Lets make it bigger.. |
||
4220 | hidnplayr | 838 | mov eax, [ebp + http_msg.write_ptr] |
839 | add eax, BUFFERSIZE |
||
4541 | hidnplayr | 840 | sub eax, [ebp + http_msg.content_ptr] |
841 | invoke mem.realloc, [ebp + http_msg.content_ptr], eax |
||
4220 | hidnplayr | 842 | or eax, eax |
4690 | hidnplayr | 843 | jz .err_no_ram |
4541 | hidnplayr | 844 | call recalculate_pointers |
4220 | hidnplayr | 845 | mov [ebp + http_msg.buffer_length], BUFFERSIZE |
4690 | hidnplayr | 846 | ; Need more data |
847 | popa |
||
848 | xor eax, eax |
||
849 | dec eax |
||
850 | ret |
||
4220 | hidnplayr | 851 | |
4690 | hidnplayr | 852 | .need_more_data_for_header: |
853 | cmp [ebp + http_msg.buffer_length], 0 |
||
854 | je .err_header ; It's just too damn long! |
||
855 | ; Need more data |
||
4162 | hidnplayr | 856 | popa |
857 | xor eax, eax |
||
858 | dec eax |
||
859 | ret |
||
4158 | hidnplayr | 860 | |
4162 | hidnplayr | 861 | .need_more_data_chunked: |
4690 | hidnplayr | 862 | ; We only got a partial chunk, or need more chunks, update content_received and request more data |
4168 | hidnplayr | 863 | add [ebp + http_msg.content_received], eax |
4158 | hidnplayr | 864 | popa |
865 | xor eax, eax |
||
866 | dec eax |
||
867 | ret |
||
868 | |||
4162 | hidnplayr | 869 | .got_all_data_chunked: |
4690 | hidnplayr | 870 | ; Woohoo, we got all the chunked data, calculate total number of bytes received. |
4162 | hidnplayr | 871 | mov eax, [ebp + http_msg.chunk_ptr] |
4541 | hidnplayr | 872 | sub eax, [ebp + http_msg.content_ptr] |
4162 | hidnplayr | 873 | mov [ebp + http_msg.content_length], eax |
4168 | hidnplayr | 874 | mov [ebp + http_msg.content_received], eax |
4158 | hidnplayr | 875 | .got_all_data: |
4217 | hidnplayr | 876 | DEBUGF 1, "We got all the data! (%u bytes)\n", [ebp + http_msg.content_received] |
4205 | hidnplayr | 877 | or [ebp + http_msg.flags], FLAG_GOT_ALL_DATA |
878 | and [ebp + http_msg.flags], not FLAG_CONNECTED |
||
4158 | hidnplayr | 879 | mcall close, [ebp + http_msg.socket] |
880 | popa |
||
881 | xor eax, eax |
||
882 | ret |
||
883 | |||
4690 | hidnplayr | 884 | ;-------------------------------------------------------------- |
885 | ; |
||
886 | ; error handeling code begins here |
||
887 | ; |
||
888 | |||
4158 | hidnplayr | 889 | .check_socket: |
890 | cmp ebx, EWOULDBLOCK |
||
4690 | hidnplayr | 891 | jne .err_socket |
892 | mcall 26, 9 |
||
893 | sub eax, [ebp + http_msg.timestamp] |
||
894 | cmp eax, TIMEOUT |
||
895 | ja .err_timeout |
||
896 | ; Need more data |
||
897 | popa |
||
898 | xor eax, eax |
||
899 | dec eax |
||
900 | ret |
||
4158 | hidnplayr | 901 | |
4220 | hidnplayr | 902 | .server_closed: |
903 | DEBUGF 1, "server closed connection, transfer complete?\n" |
||
904 | test [ebp + http_msg.flags], FLAG_GOT_HEADER |
||
4690 | hidnplayr | 905 | jz .err_server_closed |
4220 | hidnplayr | 906 | test [ebp + http_msg.flags], FLAG_CONTENT_LENGTH |
907 | jz .got_all_data |
||
4690 | hidnplayr | 908 | .err_server_closed: |
4220 | hidnplayr | 909 | pop eax |
910 | DEBUGF 1, "ERROR: server closed connection unexpectedly\n" |
||
911 | or [ebp + http_msg.flags], FLAG_TRANSFER_FAILED |
||
4690 | hidnplayr | 912 | jmp .abort |
4220 | hidnplayr | 913 | |
4690 | hidnplayr | 914 | .err_header: |
4203 | hidnplayr | 915 | pop eax |
4158 | hidnplayr | 916 | DEBUGF 1, "ERROR: invalid header\n" |
917 | or [ebp + http_msg.flags], FLAG_INVALID_HEADER |
||
4690 | hidnplayr | 918 | jmp .abort |
4158 | hidnplayr | 919 | |
4690 | hidnplayr | 920 | .err_no_ram: |
4158 | hidnplayr | 921 | DEBUGF 1, "ERROR: out of RAM\n" |
922 | or [ebp + http_msg.flags], FLAG_NO_RAM |
||
4690 | hidnplayr | 923 | jmp .abort |
4206 | hidnplayr | 924 | |
4690 | hidnplayr | 925 | .err_timeout: |
926 | DEBUGF 1, "ERROR: timeout\n" |
||
927 | or [ebp + http_msg.flags], FLAG_TIMEOUT_ERROR |
||
928 | jmp .abort |
||
929 | |||
930 | .err_socket: |
||
4206 | hidnplayr | 931 | DEBUGF 1, "ERROR: socket error %u\n", ebx |
932 | or [ebp + http_msg.flags], FLAG_SOCKET_ERROR |
||
4690 | hidnplayr | 933 | .abort: |
4205 | hidnplayr | 934 | and [ebp + http_msg.flags], not FLAG_CONNECTED |
935 | mcall close, [ebp + http_msg.socket] |
||
4206 | hidnplayr | 936 | .connection_closed: |
4158 | hidnplayr | 937 | popa |
938 | xor eax, eax |
||
939 | ret |
||
940 | |||
941 | endp |
||
942 | |||
943 | |||
4541 | hidnplayr | 944 | alloc_contentbuff: |
4158 | hidnplayr | 945 | |
4541 | hidnplayr | 946 | ; Allocate content buffer |
947 | invoke mem.alloc, edx |
||
948 | or eax, eax |
||
949 | jz .no_ram |
||
4205 | hidnplayr | 950 | |
4541 | hidnplayr | 951 | DEBUGF 1, "Content buffer allocated: 0x%x\n", eax |
952 | |||
953 | ; Copy already received content into content buffer |
||
954 | mov edi, eax |
||
955 | lea esi, [ebp + http_msg.http_header] |
||
956 | add esi, [ebp + http_msg.header_length] |
||
957 | mov ecx, [ebp + http_msg.write_ptr] |
||
958 | sub ecx, esi |
||
959 | mov ebx, ecx |
||
960 | rep movsb |
||
961 | |||
962 | ; Update pointers to point to new buffer |
||
963 | mov [ebp + http_msg.content_ptr], eax |
||
964 | mov [ebp + http_msg.content_received], ebx |
||
965 | sub edx, ebx |
||
966 | mov [ebp + http_msg.buffer_length], edx |
||
967 | add eax, ebx |
||
968 | mov [ebp + http_msg.write_ptr], eax |
||
969 | |||
970 | ; Shrink header buffer |
||
971 | mov eax, http_msg.http_header |
||
972 | add eax, [ebp + http_msg.header_length] |
||
973 | invoke mem.realloc, ebp, eax |
||
974 | or eax, eax |
||
975 | .no_ram: |
||
976 | |||
977 | ret |
||
978 | |||
979 | |||
980 | |||
981 | recalculate_pointers: |
||
982 | |||
983 | sub eax, [ebp + http_msg.content_ptr] |
||
984 | jz .done |
||
985 | add [ebp + http_msg.content_ptr], eax |
||
986 | add [ebp + http_msg.write_ptr], eax |
||
987 | add [ebp + http_msg.chunk_ptr], eax |
||
988 | |||
989 | .done: |
||
990 | ret |
||
991 | |||
992 | |||
993 | |||
994 | |||
4158 | hidnplayr | 995 | ;;================================================================================================;; |
4205 | hidnplayr | 996 | proc HTTP_free identifier ;///////////////////////////////////////////////////////////////////////;; |
997 | ;;------------------------------------------------------------------------------------------------;; |
||
998 | ;? Free the http_msg structure ;; |
||
999 | ;;------------------------------------------------------------------------------------------------;; |
||
1000 | ;> identifier = pointer to buffer containing http_msg struct. ;; |
||
1001 | ;;------------------------------------------------------------------------------------------------;; |
||
1002 | ;< none ;; |
||
1003 | ;;================================================================================================;; |
||
4541 | hidnplayr | 1004 | DEBUGF 1, "HTTP_free: 0x%x\n", [identifier] |
4205 | hidnplayr | 1005 | pusha |
1006 | mov ebp, [identifier] |
||
1007 | |||
1008 | test [ebp + http_msg.flags], FLAG_CONNECTED |
||
1009 | jz .not_connected |
||
1010 | |||
1011 | and [ebp + http_msg.flags], not FLAG_CONNECTED |
||
1012 | mcall close, [ebp + http_msg.socket] |
||
1013 | |||
1014 | .not_connected: |
||
1015 | invoke mem.free, ebp |
||
1016 | |||
1017 | popa |
||
1018 | ret |
||
1019 | |||
1020 | endp |
||
1021 | |||
1022 | |||
1023 | |||
1024 | ;;================================================================================================;; |
||
1025 | proc HTTP_stop identifier ;///////////////////////////////////////////////////////////////////////;; |
||
1026 | ;;------------------------------------------------------------------------------------------------;; |
||
1027 | ;? Stops the open connection ;; |
||
1028 | ;;------------------------------------------------------------------------------------------------;; |
||
1029 | ;> identifier = pointer to buffer containing http_msg struct. ;; |
||
1030 | ;;------------------------------------------------------------------------------------------------;; |
||
1031 | ;< none ;; |
||
1032 | ;;================================================================================================;; |
||
1033 | |||
1034 | pusha |
||
1035 | mov ebp, [identifier] |
||
1036 | |||
1037 | and [ebp + http_msg.flags], not FLAG_CONNECTED |
||
1038 | mcall close, [ebp + http_msg.socket] |
||
1039 | |||
1040 | popa |
||
1041 | ret |
||
1042 | |||
1043 | endp |
||
1044 | |||
1045 | |||
1046 | |||
1047 | ;;================================================================================================;; |
||
4222 | hidnplayr | 1048 | proc HTTP_find_header_field identifier, headername ;//////////////////////////////////////////////;; |
4158 | hidnplayr | 1049 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 1050 | ;? Find a header field in the received HTTP header ;; |
4158 | hidnplayr | 1051 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 1052 | ;> identifier = ptr to http_msg struct ;; |
1053 | ;> headername = ptr to ASCIIZ string containg field you want to find (must be in lowercase) ;; |
||
4158 | hidnplayr | 1054 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 1055 | ;< eax = 0 (error) / ptr to content of the HTTP header field ;; |
4158 | hidnplayr | 1056 | ;;================================================================================================;; |
1057 | push ebx ecx edx esi edi |
||
1058 | |||
1059 | DEBUGF 1, "Find header field: %s\n", [headername] |
||
1060 | |||
1061 | mov ebx, [identifier] |
||
4202 | hidnplayr | 1062 | test [ebx + http_msg.flags], FLAG_GOT_HEADER |
1063 | jz .fail |
||
1064 | |||
4541 | hidnplayr | 1065 | lea edx, [ebx + http_msg.http_header] |
4158 | hidnplayr | 1066 | mov ecx, edx |
1067 | add ecx, [ebx + http_msg.header_length] |
||
1068 | |||
1069 | .restart: |
||
1070 | mov esi, [headername] |
||
1071 | mov edi, edx |
||
1072 | .loop: |
||
1073 | cmp edi, ecx |
||
1074 | jae .fail |
||
1075 | lodsb |
||
1076 | scasb |
||
1077 | je .loop |
||
1078 | test al, al |
||
1079 | jz .done? |
||
1080 | .next: |
||
1081 | inc edx |
||
1082 | jmp .restart |
||
1083 | |||
1084 | .not_done: |
||
1085 | inc edi |
||
1086 | .done?: |
||
1087 | cmp byte[edi-1], ':' |
||
1088 | je .almost_done |
||
1089 | cmp byte[edi-1], ' ' |
||
1090 | je .not_done |
||
1091 | cmp byte[edi-1], 9 ; tab |
||
1092 | je .not_done |
||
1093 | |||
1094 | jmp .next |
||
1095 | |||
1096 | .almost_done: ; FIXME: buffer overflow? |
||
1097 | dec edi |
||
1098 | DEBUGF 1, "Found header field\n" |
||
1099 | .spaceloop: |
||
1100 | inc edi |
||
1101 | cmp byte[edi], ' ' |
||
1102 | je .spaceloop |
||
1103 | cmp byte[edi], 9 ; tab |
||
1104 | je .spaceloop |
||
1105 | |||
1106 | mov eax, edi |
||
1107 | pop edi esi edx ecx ebx |
||
1108 | ret |
||
1109 | |||
1110 | .fail: |
||
4829 | hidnplayr | 1111 | DEBUGF 1, "Header field not found\n" |
4158 | hidnplayr | 1112 | pop edi esi edx ecx ebx |
1113 | xor eax, eax |
||
1114 | ret |
||
1115 | |||
1116 | endp |
||
1117 | |||
1118 | |||
1119 | |||
4209 | hidnplayr | 1120 | ;;================================================================================================;; |
4831 | hidnplayr | 1121 | proc HTTP_escape URI ;////////////////////////////////////////////////////////////////////////////;; |
4209 | hidnplayr | 1122 | ;;------------------------------------------------------------------------------------------------;; |
1123 | ;? ;; |
||
1124 | ;;------------------------------------------------------------------------------------------------;; |
||
1125 | ;> URI = ptr to ASCIIZ URI ;; |
||
1126 | ;;------------------------------------------------------------------------------------------------;; |
||
4831 | hidnplayr | 1127 | ;< eax = 0 (error) / ptr to ASCIIZ URI/data ;; |
1128 | ;< ebx = length of escaped URI/data ;; |
||
4209 | hidnplayr | 1129 | ;;================================================================================================;; |
4202 | hidnplayr | 1130 | |
4831 | hidnplayr | 1131 | |
1132 | ; TODO: instead of static buffer allocation, make it 4096 bytes and larger only if needed |
||
1133 | |||
4848 | hidnplayr | 1134 | DEBUGF 1, "HTTP_escape: %s\n", [URI] |
1135 | |||
4209 | hidnplayr | 1136 | pusha |
4205 | hidnplayr | 1137 | |
4209 | hidnplayr | 1138 | invoke mem.alloc, URLMAXLEN |
1139 | test eax, eax |
||
1140 | jz .error |
||
1141 | mov [esp + 7 * 4], eax ; return ptr in eax |
||
1142 | mov esi, [URI] |
||
1143 | mov edi, eax |
||
1144 | xor ebx, ebx |
||
1145 | xor ecx, ecx |
||
1146 | .loop: |
||
1147 | lodsb |
||
1148 | test al, al |
||
1149 | jz .done |
||
1150 | |||
1151 | mov cl, al |
||
1152 | and cl, 0x1f |
||
1153 | mov bl, al |
||
4831 | hidnplayr | 1154 | shr bl, 3 |
1155 | and bl, not 3 |
||
4209 | hidnplayr | 1156 | bt dword[bits_must_escape + ebx], ecx |
1157 | jc .escape |
||
1158 | |||
1159 | stosb |
||
1160 | jmp .loop |
||
1161 | |||
1162 | .escape: |
||
1163 | mov al, '%' |
||
1164 | stosb |
||
1165 | mov bl, byte[esi-1] |
||
1166 | shr bl, 4 |
||
1167 | mov al, byte[str_hex + ebx] |
||
1168 | stosb |
||
1169 | mov bl, byte[esi-1] |
||
1170 | and bl, 0x0f |
||
1171 | mov al, byte[str_hex + ebx] |
||
1172 | stosb |
||
1173 | jmp .loop |
||
1174 | |||
1175 | |||
1176 | .done: |
||
1177 | stosb |
||
4831 | hidnplayr | 1178 | sub edi, [esp + 7 * 4] |
1179 | dec edi |
||
1180 | mov [esp + 4 * 4], edi |
||
4209 | hidnplayr | 1181 | |
1182 | popa |
||
4848 | hidnplayr | 1183 | DEBUGF 1, "escaped URL: %s\n", eax |
4209 | hidnplayr | 1184 | ret |
1185 | |||
1186 | .error: |
||
4848 | hidnplayr | 1187 | DEBUGF 1, "ERROR: out of RAM!\n" |
4209 | hidnplayr | 1188 | popa |
1189 | xor eax, eax |
||
1190 | ret |
||
1191 | |||
1192 | endp |
||
1193 | |||
1194 | |||
1195 | |||
4167 | hidnplayr | 1196 | ;;================================================================================================;; |
4831 | hidnplayr | 1197 | proc HTTP_unescape URI ;//////////////////////////////////////////////////////////////////////////;; |
4209 | hidnplayr | 1198 | ;;------------------------------------------------------------------------------------------------;; |
1199 | ;? ;; |
||
1200 | ;;------------------------------------------------------------------------------------------------;; |
||
1201 | ;> URI = ptr to ASCIIZ URI ;; |
||
1202 | ;;------------------------------------------------------------------------------------------------;; |
||
1203 | ;< eax = 0 (error) / ptr to ASCIIZ URI ;; |
||
1204 | ;;================================================================================================;; |
||
1205 | |||
4848 | hidnplayr | 1206 | DEBUGF 1, "HTTP_unescape: %s\n", [URI] |
4209 | hidnplayr | 1207 | pusha |
1208 | |||
1209 | invoke mem.alloc, URLMAXLEN |
||
1210 | test eax, eax |
||
1211 | jz .error |
||
1212 | mov [esp + 7 * 4], eax ; return ptr in eax |
||
1213 | mov esi, [URI] |
||
1214 | mov edi, eax |
||
1215 | .loop: |
||
1216 | lodsb |
||
1217 | test al, al |
||
1218 | jz .done |
||
1219 | cmp al, '%' |
||
1220 | je .unescape |
||
1221 | stosb |
||
1222 | jmp .loop |
||
1223 | |||
1224 | .unescape: |
||
1225 | xor ebx, ebx |
||
1226 | xor ecx, ecx |
||
1227 | .unescape_nibble: |
||
1228 | lodsb |
||
1229 | sub al, '0' |
||
1230 | jb .fail |
||
1231 | cmp al, 9 |
||
1232 | jbe .nibble_ok |
||
1233 | sub al, 'A' - '0' - 10 |
||
1234 | jb .fail |
||
1235 | cmp al, 15 |
||
1236 | jbe .nibble_ok |
||
1237 | sub al, 'a' - 'A' |
||
1238 | cmp al, 15 |
||
1239 | ja .fail |
||
1240 | .nibble_ok: |
||
1241 | shl bl, 8 |
||
1242 | or bl, al |
||
1243 | dec ecx |
||
1244 | jc .unescape_nibble |
||
1245 | mov al, bl |
||
1246 | stosb |
||
1247 | jmp .loop |
||
1248 | |||
1249 | .fail: |
||
1250 | DEBUGF 1, "ERROR: invalid URI!\n" |
||
1251 | jmp .loop |
||
1252 | |||
1253 | .done: |
||
1254 | stosb |
||
1255 | popa |
||
4848 | hidnplayr | 1256 | DEBUGF 1, "unescaped URL: %s\n", eax |
4209 | hidnplayr | 1257 | ret |
1258 | |||
1259 | .error: |
||
4848 | hidnplayr | 1260 | DEBUGF 1, "ERROR: out of RAM!\n" |
4209 | hidnplayr | 1261 | popa |
1262 | xor eax, eax |
||
1263 | ret |
||
1264 | |||
1265 | endp |
||
1266 | |||
1267 | |||
1268 | |||
1269 | |||
1270 | |||
1271 | ;;================================================================================================;; |
||
4202 | hidnplayr | 1272 | ;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
1273 | ;;================================================================================================;; |
||
1274 | ;! Internal procedures section ;; |
||
4220 | hidnplayr | 1275 | ;; ;; |
1276 | ;; NOTICE: These procedures do not follow stdcall conventions and thus may destroy any register. ;; |
||
4202 | hidnplayr | 1277 | ;;================================================================================================;; |
1278 | ;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
||
1279 | ;;================================================================================================;; |
||
1280 | |||
1281 | |||
1282 | |||
1283 | |||
1284 | ;;================================================================================================;; |
||
4167 | hidnplayr | 1285 | proc open_connection hostname, port ;/////////////////////////////////////////////////////////////;; |
1286 | ;;------------------------------------------------------------------------------------------------;; |
||
4202 | hidnplayr | 1287 | ;? Connects to a HTTP server ;; |
4167 | hidnplayr | 1288 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 1289 | ;> hostname = ptr to ASCIIZ hostname ;; |
1290 | ;> port = port (x86 byte order) ;; |
||
4167 | hidnplayr | 1291 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 1292 | ;< eax = 0 (error) / socketnum ;; |
4167 | hidnplayr | 1293 | ;;================================================================================================;; |
4158 | hidnplayr | 1294 | |
4167 | hidnplayr | 1295 | locals |
1296 | sockaddr dd ? |
||
1297 | socketnum dd ? |
||
1298 | endl |
||
1299 | |||
4233 | hidnplayr | 1300 | cmp [proxyAddr], 0 |
1301 | je .no_proxy |
||
1302 | |||
1303 | mov [hostname], proxyAddr |
||
1304 | |||
1305 | push [proxyPort] |
||
1306 | pop [port] |
||
1307 | .no_proxy: |
||
1308 | |||
4167 | hidnplayr | 1309 | ; Resolve the hostname |
1310 | DEBUGF 1, "Resolving hostname\n" |
||
1311 | push esp ; reserve stack place |
||
1312 | push esp ; fourth parameter |
||
1313 | push 0 ; third parameter |
||
1314 | push 0 ; second parameter |
||
1315 | push [hostname] |
||
1316 | call [getaddrinfo] |
||
1317 | pop esi |
||
1318 | test eax, eax |
||
1319 | jnz .error1 |
||
1320 | |||
1321 | ; getaddrinfo returns addrinfo struct, make the pointer to sockaddr struct |
||
1322 | mov esi, [esi + addrinfo.ai_addr] |
||
1323 | mov [sockaddr], esi |
||
1324 | mov eax, [esi + sockaddr_in.sin_addr] |
||
1325 | test eax, eax |
||
1326 | jz .error2 |
||
1327 | |||
1328 | DEBUGF 1, "Server ip=%u.%u.%u.%u\n", \ |
||
1329 | [esi + sockaddr_in.sin_addr]:1, [esi + sockaddr_in.sin_addr + 1]:1, \ |
||
1330 | [esi + sockaddr_in.sin_addr + 2]:1, [esi + sockaddr_in.sin_addr + 3]:1 |
||
1331 | |||
1332 | mov [esi + sockaddr_in.sin_family], AF_INET4 |
||
1333 | mov eax, [port] |
||
1334 | xchg al, ah |
||
1335 | mov [esi + sockaddr_in.sin_port], ax |
||
1336 | |||
1337 | ; Connect to the server. |
||
1338 | mcall socket, AF_INET4, SOCK_STREAM, 0 |
||
1339 | test eax, eax |
||
1340 | jz .error2 |
||
1341 | mov [socketnum], eax |
||
1342 | DEBUGF 1, "Socket: 0x%x\n", eax |
||
1343 | |||
1344 | mcall connect, [socketnum], [sockaddr], 18 |
||
1345 | test eax, eax |
||
1346 | jnz .error2 |
||
1347 | DEBUGF 1, "Socket is now connected.\n" |
||
1348 | |||
1349 | ; free allocated memory |
||
1350 | push [sockaddr] |
||
1351 | call [freeaddrinfo] |
||
1352 | |||
1353 | mov eax, [socketnum] |
||
1354 | ret |
||
1355 | |||
1356 | .error2: |
||
1357 | |||
1358 | ; free allocated memory |
||
1359 | push [sockaddr] |
||
1360 | call [freeaddrinfo] |
||
1361 | |||
1362 | .error1: |
||
1363 | xor eax, eax |
||
1364 | ret |
||
1365 | |||
1366 | endp |
||
1367 | |||
1368 | |||
4158 | hidnplayr | 1369 | ;;================================================================================================;; |
1370 | proc parse_url URL ;//////////////////////////////////////////////////////////////////////////////;; |
||
1371 | ;;------------------------------------------------------------------------------------------------;; |
||
4202 | hidnplayr | 1372 | ;? Split a given URL into hostname and pageaddr ;; |
4158 | hidnplayr | 1373 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 1374 | ;> URL = ptr to ASCIIZ URL ;; |
4158 | hidnplayr | 1375 | ;;------------------------------------------------------------------------------------------------;; |
4202 | hidnplayr | 1376 | ;< eax = 0 (error) / ptr to ASCIIZ hostname ;; |
1377 | ;< ebx = ptr to ASCIIZ pageaddr ;; |
||
4233 | hidnplayr | 1378 | ;< ecx = port number ;; |
4158 | hidnplayr | 1379 | ;;================================================================================================;; |
1380 | |||
1381 | locals |
||
1382 | urlsize dd ? |
||
1383 | hostname dd ? |
||
1384 | pageaddr dd ? |
||
4233 | hidnplayr | 1385 | port dd ? |
4158 | hidnplayr | 1386 | endl |
1387 | |||
4161 | hidnplayr | 1388 | DEBUGF 1, "parsing URL: %s\n", [URL] |
4158 | hidnplayr | 1389 | |
1390 | ; remove any leading protocol text |
||
1391 | mov esi, [URL] |
||
1392 | mov ecx, URLMAXLEN |
||
1393 | mov ax, '//' |
||
1394 | .loop1: |
||
1395 | cmp byte[esi], 0 ; end of URL? |
||
1396 | je .url_ok ; yep, so not found |
||
1397 | cmp [esi], ax |
||
1398 | je .skip_proto |
||
1399 | inc esi |
||
1400 | dec ecx |
||
1401 | jnz .loop1 |
||
4233 | hidnplayr | 1402 | jmp .invalid |
4158 | hidnplayr | 1403 | |
1404 | .skip_proto: |
||
1405 | inc esi ; skip the two '/' |
||
1406 | inc esi |
||
1407 | mov [URL], esi ; update pointer so it skips protocol |
||
1408 | jmp .loop1 ; we still need to find the length of the URL |
||
1409 | |||
1410 | .url_ok: |
||
1411 | sub esi, [URL] ; calculate total length of URL |
||
1412 | mov [urlsize], esi |
||
1413 | |||
1414 | |||
1415 | ; now look for page delimiter - it's a '/' character |
||
1416 | mov ecx, esi ; URL length |
||
1417 | mov edi, [URL] |
||
1418 | mov al, '/' |
||
1419 | repne scasb |
||
4161 | hidnplayr | 1420 | jne @f |
4158 | hidnplayr | 1421 | dec edi ; return one char, '/' must be part of the pageaddr |
1422 | inc ecx ; |
||
4161 | hidnplayr | 1423 | @@: |
4158 | hidnplayr | 1424 | push ecx edi ; remember the pointer and length of pageaddr |
1425 | |||
4222 | hidnplayr | 1426 | |
4233 | hidnplayr | 1427 | ; Create new buffer and put hostname in it. |
4158 | hidnplayr | 1428 | mov ecx, edi |
1429 | sub ecx, [URL] |
||
1430 | inc ecx ; we will add a 0 byte at the end |
||
1431 | invoke mem.alloc, ecx |
||
1432 | or eax, eax |
||
1433 | jz .no_mem |
||
1434 | |||
1435 | mov [hostname], eax ; copy hostname to buffer |
||
1436 | mov edi, eax |
||
1437 | mov esi, [URL] |
||
1438 | dec ecx |
||
1439 | rep movsb |
||
1440 | xor al, al |
||
1441 | stosb |
||
1442 | |||
4233 | hidnplayr | 1443 | ; Check if user provided a port, and convert it if so. |
1444 | mov esi, [hostname] |
||
1445 | mov [port], 80 ; default port if user didnt provide one |
||
1446 | .portloop: |
||
1447 | lodsb |
||
1448 | test al, al |
||
1449 | jz .no_port |
||
1450 | cmp al, ':' |
||
1451 | jne .portloop |
||
1452 | |||
1453 | push esi |
||
1454 | call ascii_dec_ebx |
||
1455 | pop edi |
||
1456 | cmp byte[esi-1], 0 |
||
1457 | jne .invalid |
||
1458 | cmp [proxyAddr], 0 ; remove port number from hostname |
||
1459 | jne @f ; unless when we are using proxy |
||
1460 | mov byte[edi-1], 0 |
||
1461 | @@: |
||
1462 | test ebx, ebx |
||
1463 | je .invalid |
||
1464 | cmp ebx, 0xffff |
||
1465 | ja .invalid |
||
1466 | mov [port], ebx |
||
1467 | .no_port: |
||
1468 | |||
1469 | |||
1470 | ; Did user provide a pageaddr? |
||
4161 | hidnplayr | 1471 | mov [pageaddr], str_slash ; assume there is no pageaddr |
4158 | hidnplayr | 1472 | pop esi ecx |
1473 | test ecx, ecx |
||
1474 | jz .no_page |
||
4233 | hidnplayr | 1475 | |
1476 | ; Create new buffer and put pageaddr into it. |
||
4158 | hidnplayr | 1477 | inc ecx ; we will add a 0 byte at the end |
1478 | invoke mem.alloc, ecx |
||
1479 | or eax, eax |
||
1480 | jz .no_mem |
||
1481 | |||
1482 | mov [pageaddr], eax ; copy pageaddr to buffer |
||
1483 | mov edi, eax |
||
1484 | dec ecx |
||
1485 | rep movsb |
||
1486 | xor al, al |
||
1487 | stosb |
||
4233 | hidnplayr | 1488 | |
4158 | hidnplayr | 1489 | .no_page: |
1490 | mov eax, [hostname] |
||
1491 | mov ebx, [pageaddr] |
||
4233 | hidnplayr | 1492 | mov ecx, [port] |
4158 | hidnplayr | 1493 | |
1494 | DEBUGF 1, "hostname: %s\n", eax |
||
1495 | DEBUGF 1, "pageaddr: %s\n", ebx |
||
4221 | hidnplayr | 1496 | DEBUGF 1, "port: %u\n", ecx |
4158 | hidnplayr | 1497 | |
1498 | ret |
||
1499 | |||
1500 | .no_mem: |
||
4233 | hidnplayr | 1501 | DEBUGF 1, "Out of memory!\n" |
4158 | hidnplayr | 1502 | xor eax, eax |
1503 | ret |
||
1504 | |||
4233 | hidnplayr | 1505 | .invalid: |
1506 | DEBUGF 1, "Invalid URL!\n" |
||
1507 | xor eax, eax |
||
1508 | ret |
||
1509 | |||
4158 | hidnplayr | 1510 | endp |
1511 | |||
1512 | |||
4233 | hidnplayr | 1513 | |
1514 | |||
1515 | |||
4202 | hidnplayr | 1516 | ;;================================================================================================;; |
4233 | hidnplayr | 1517 | proc append_proxy_auth_header ;///////////////////////////////////////////////////////////////////;; |
4202 | hidnplayr | 1518 | ;;------------------------------------------------------------------------------------------------;; |
4233 | hidnplayr | 1519 | ;? Appends the proxy authentication header ;; |
1520 | ;;------------------------------------------------------------------------------------------------;; |
||
1521 | ;> / ;; |
||
1522 | ;;------------------------------------------------------------------------------------------------;; |
||
1523 | ;< / ;; |
||
1524 | ;;================================================================================================;; |
||
1525 | mov esi, str_proxy_auth |
||
1526 | mov ecx, str_proxy_auth.length |
||
1527 | rep movsb |
||
1528 | ; base64-encode string |
||
1529 | mov esi, proxyUser |
||
1530 | |||
1531 | apah000: |
||
1532 | lodsb |
||
1533 | test al, al |
||
1534 | jz apah001 |
||
1535 | call encode_base64_byte |
||
1536 | jmp apah000 |
||
1537 | |||
1538 | apah001: |
||
1539 | mov al, ':' |
||
1540 | call encode_base64_byte |
||
1541 | mov esi, proxyPassword |
||
1542 | |||
1543 | apah002: |
||
1544 | lodsb |
||
1545 | test al, al |
||
1546 | jz apah003 |
||
1547 | call encode_base64_byte |
||
1548 | jmp apah002 |
||
1549 | |||
1550 | apah003: |
||
1551 | call encode_base64_final |
||
1552 | ret |
||
1553 | |||
1554 | encode_base64_byte: |
||
1555 | inc ecx |
||
1556 | shl edx, 8 |
||
1557 | mov dl, al |
||
1558 | cmp ecx, 3 |
||
1559 | je ebb001 |
||
1560 | ret |
||
1561 | |||
1562 | ebb001: |
||
1563 | shl edx, 8 |
||
1564 | inc ecx |
||
1565 | |||
1566 | ebb002: |
||
1567 | rol edx, 6 |
||
1568 | xor eax, eax |
||
1569 | xchg al, dl |
||
1570 | mov al, [base64_table+eax] |
||
1571 | stosb |
||
1572 | loop ebb002 |
||
1573 | ret |
||
1574 | |||
1575 | encode_base64_final: |
||
1576 | mov al, 0 |
||
1577 | test ecx, ecx |
||
1578 | jz ebf000 |
||
1579 | call encode_base64_byte |
||
1580 | test ecx, ecx |
||
1581 | jz ebf001 |
||
1582 | call encode_base64_byte |
||
1583 | mov byte [edi-2], '=' |
||
1584 | |||
1585 | ebf001: |
||
1586 | mov byte [edi-1], '=' |
||
1587 | |||
1588 | ebf000: |
||
1589 | ret |
||
1590 | |||
1591 | endp |
||
1592 | |||
1593 | |||
1594 | ;;================================================================================================;; |
||
1595 | proc eax_ascii_dec ;//////////////////////////////////////////////////////////////////////////////;; |
||
1596 | ;;------------------------------------------------------------------------------------------------;; |
||
4202 | hidnplayr | 1597 | ;? Convert eax to ASCII decimal number ;; |
1598 | ;;------------------------------------------------------------------------------------------------;; |
||
1599 | ;> eax = number ;; |
||
1600 | ;> edi = ptr where to write ASCII decimal number ;; |
||
1601 | ;;------------------------------------------------------------------------------------------------;; |
||
1602 | ;< / ;; |
||
1603 | ;;================================================================================================;; |
||
4158 | hidnplayr | 1604 | |
4168 | hidnplayr | 1605 | push -'0' |
4167 | hidnplayr | 1606 | mov ecx, 10 |
1607 | .loop: |
||
1608 | xor edx, edx |
||
1609 | div ecx |
||
4168 | hidnplayr | 1610 | push edx |
4167 | hidnplayr | 1611 | test eax, eax |
1612 | jnz .loop |
||
4158 | hidnplayr | 1613 | |
4168 | hidnplayr | 1614 | .loop2: |
1615 | pop eax |
||
1616 | add al, '0' |
||
1617 | jz .done |
||
1618 | stosb |
||
1619 | jmp .loop2 |
||
1620 | .done: |
||
1621 | |||
4167 | hidnplayr | 1622 | ret |
4158 | hidnplayr | 1623 | |
4202 | hidnplayr | 1624 | endp |
4167 | hidnplayr | 1625 | |
4202 | hidnplayr | 1626 | |
4158 | hidnplayr | 1627 | ;;================================================================================================;; |
4233 | hidnplayr | 1628 | proc ascii_dec_ebx ;//////////////////////////////////////////////////////////////////////////////;; |
1629 | ;;------------------------------------------------------------------------------------------------;; |
||
1630 | ;? Convert ASCII decimal number to ebx ;; |
||
1631 | ;;------------------------------------------------------------------------------------------------;; |
||
1632 | ;> esi = ptr where to read ASCII decimal number ;; |
||
1633 | ;;------------------------------------------------------------------------------------------------;; |
||
1634 | ;> ebx = number ;; |
||
1635 | ;;================================================================================================;; |
||
1636 | |||
1637 | xor eax, eax |
||
1638 | xor ebx, ebx |
||
1639 | .loop: |
||
1640 | lodsb |
||
1641 | sub al, '0' |
||
1642 | jb .done |
||
1643 | cmp al, 9 |
||
1644 | ja .done |
||
1645 | lea ebx, [ebx + 4*ebx] |
||
1646 | shl ebx, 1 |
||
1647 | add ebx, eax |
||
1648 | jmp .loop |
||
1649 | .done: |
||
1650 | |||
1651 | ret |
||
1652 | |||
1653 | endp |
||
1654 | |||
1655 | |||
1656 | ;;================================================================================================;; |
||
4158 | hidnplayr | 1657 | ;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
1658 | ;;================================================================================================;; |
||
1659 | ;! Imported functions section ;; |
||
1660 | ;;================================================================================================;; |
||
1661 | ;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
||
1662 | ;;================================================================================================;; |
||
1663 | |||
1664 | |||
1665 | align 16 |
||
1666 | @IMPORT: |
||
1667 | |||
1668 | library \ |
||
1669 | libini, 'libini.obj', \ |
||
1670 | network, 'network.obj' |
||
1671 | |||
1672 | import libini, \ |
||
1673 | ini.get_str, 'ini_get_str', \ |
||
1674 | ini.get_int, 'ini_get_int' |
||
1675 | |||
1676 | import network,\ |
||
1677 | getaddrinfo, 'getaddrinfo',\ |
||
1678 | freeaddrinfo, 'freeaddrinfo',\ |
||
1679 | inet_ntoa, 'inet_ntoa' |
||
1680 | |||
1681 | ;;===========================================================================;; |
||
1682 | ;;///////////////////////////////////////////////////////////////////////////;; |
||
1683 | ;;===========================================================================;; |
||
1684 | ;! Exported functions section ;; |
||
1685 | ;;===========================================================================;; |
||
1686 | ;;///////////////////////////////////////////////////////////////////////////;; |
||
1687 | ;;===========================================================================;; |
||
1688 | |||
1689 | |||
1690 | align 4 |
||
1691 | @EXPORT: |
||
1692 | export \ |
||
1693 | lib_init , 'lib_init' , \ |
||
1694 | 0x00010001 , 'version' , \ |
||
1695 | HTTP_get , 'get' , \ |
||
4167 | hidnplayr | 1696 | HTTP_head , 'head' , \ |
1697 | HTTP_post , 'post' , \ |
||
4222 | hidnplayr | 1698 | HTTP_find_header_field , 'find_header_field' , \ |
4205 | hidnplayr | 1699 | HTTP_process , 'process' , \ |
1700 | HTTP_free , 'free' , \ |
||
4209 | hidnplayr | 1701 | HTTP_stop , 'stop' , \ |
4831 | hidnplayr | 1702 | HTTP_escape , 'escape' , \ |
1703 | HTTP_unescape , 'unescape' |
||
4158 | hidnplayr | 1704 | |
1705 | ; HTTP_put , 'put' , \ |
||
1706 | ; HTTP_delete , 'delete' , \ |
||
1707 | ; HTTP_trace , 'trace' , \ |
||
1708 | ; HTTP_connect , 'connect' , \ |
||
1709 | |||
1710 | |||
1711 | |||
1712 | section '.data' data readable writable align 16 |
||
1713 | |||
1714 | inifile db '/sys/settings/network.ini', 0 |
||
1715 | |||
1716 | sec_proxy: |
||
1717 | key_proxy db 'proxy', 0 |
||
1718 | key_proxyport db 'port', 0 |
||
1719 | key_user db 'user', 0 |
||
1720 | key_password db 'password', 0 |
||
1721 | |||
1722 | str_http11 db ' HTTP/1.1', 13, 10, 'Host: ' |
||
1723 | .length = $ - str_http11 |
||
4167 | hidnplayr | 1724 | str_post_cl db 13, 10, 'Content-Length: ' |
1725 | .length = $ - str_post_cl |
||
1726 | str_post_ct db 13, 10, 'Content-Type: ' |
||
1727 | .length = $ - str_post_ct |
||
4158 | hidnplayr | 1728 | str_proxy_auth db 13, 10, 'Proxy-Authorization: Basic ' |
1729 | .length = $ - str_proxy_auth |
||
4241 | hidnplayr | 1730 | str_close db 'User-Agent: KolibriOS libHTTP/1.0', 13, 10, 'Connection: Close', 13, 10, 13, 10 |
1731 | .length = $ - str_close |
||
4158 | hidnplayr | 1732 | |
4233 | hidnplayr | 1733 | str_http db 'http://', 0 |
1734 | |||
4158 | hidnplayr | 1735 | base64_table db 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz' |
1736 | db '0123456789+/' |
||
1737 | |||
1738 | str_cl db 'content-length', 0 |
||
4161 | hidnplayr | 1739 | str_slash db '/', 0 |
4158 | hidnplayr | 1740 | str_te db 'transfer-encoding', 0 |
4167 | hidnplayr | 1741 | str_get db 'GET ', 0 |
1742 | str_head db 'HEAD ', 0 |
||
1743 | str_post db 'POST ', 0 |
||
4158 | hidnplayr | 1744 | |
4209 | hidnplayr | 1745 | bits_must_escape: |
1746 | dd 0xffffffff ; 00-1F |
||
1747 | dd 1 shl 0 + 1 shl 2 + 1 shl 3 + 1 shl 5 + 1 shl 28 + 1 shl 30 ; "#%<> |
||
1748 | dd 1 shl 27 + 1 shl 28 + 1 shl 29 + 1 shl 30 ;[\]^ |
||
1749 | dd 1 shl 0 + 1 shl 27 + 1 shl 28 + 1 shl 29 + 1 shl 31 ;`{|} DEL |
||
1750 | |||
1751 | dd 0xffffffff |
||
1752 | dd 0xffffffff |
||
1753 | dd 0xffffffff |
||
1754 | dd 0xffffffff |
||
1755 | |||
1756 | str_hex: |
||
1757 | db '0123456789ABCDEF' |
||
1758 | |||
4158 | hidnplayr | 1759 | include_debug_strings |
1760 | |||
1761 | ; uninitialized data |
||
1762 | mem.alloc dd ? |
||
1763 | mem.free dd ? |
||
1764 | mem.realloc dd ? |
||
1765 | dll.load dd ? |
||
1766 | |||
1767 | proxyAddr rb 256 |
||
1768 | proxyUser rb 256 |
||
1769 | proxyPassword rb 256 |
||
1770 | proxyPort dd ?>>>>>>>>>>>>>>>>>> |